48 void GetFieldValue(
const double Point[4],
49 double *Bfield )
const;
53 vector< vector< vector< double > > > fXField;
55 vector< vector< vector< double > > > fYField;
57 vector< vector< vector< double > > > fZField;
61 G4double fMinix, fMaxix, fMiniy, fMaxiy, fMiniz, fMaxiz;
65 G4float fGradient1, fGradient2, fGradient3, fGradient4;